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222201120001120 = 255131011455172689
BaseRepresentation
bin110010100001011100111010…
…110100111000110001100000
31002010202012221002201001101121
4302201130322310320301200
5213111020343210013440
62104325441344142024
764542333615550051
oct6241347264706140
91063665832631347
10222201120001120
1164888a69518827
1220b08095607914
1396ca62518a8b0
143cc283d47a728
151aa4e6385e34a
hexca173ad38c60

222201120001120 has 192 divisors, whose sum is σ = 570975353665920. Its totient is φ = 81224478720000.

The previous prime is 222201120001111. The next prime is 222201120001247. The reversal of 222201120001120 is 21100021102222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222201120001094 and 222201120001103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3056837736 + ... + 3056910424.

It is an arithmetic number, because the mean of its divisors is an integer number (2973829967010).

Almost surely, 2222201120001120 is an apocalyptic number.

222201120001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222201120001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285487676832960).

222201120001120 is an abundant number, since it is smaller than the sum of its proper divisors (348774233664800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222201120001120 is a wasteful number, since it uses less digits than its factorization.

222201120001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87369 (or 87361 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222201120001120 its reverse (21100021102222), we get a palindrome (243301141103342).

The spelling of 222201120001120 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty million, one thousand, one hundred twenty".